/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:28:55,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:28:55,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:28:55,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:28:55,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:28:55,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:28:55,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:28:55,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:28:55,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:28:55,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:28:55,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:28:55,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:28:55,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:28:55,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:28:55,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:28:55,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:28:55,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:28:55,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:28:55,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:28:55,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:28:55,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:28:55,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:28:55,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:28:55,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:28:55,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:28:55,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:28:55,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:28:55,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:28:55,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:28:55,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:28:55,518 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:28:55,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:28:55,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:28:55,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:28:55,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:28:55,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:28:55,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:28:55,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:28:55,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:28:55,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:28:55,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:28:55,531 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 11:28:55,567 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:28:55,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:28:55,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:28:55,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:28:55,570 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:28:55,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:28:55,570 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:28:55,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:28:55,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:28:55,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:28:55,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:28:55,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:28:55,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:28:55,573 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:28:55,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:28:55,573 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:28:55,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:28:55,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:28:55,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:28:55,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:28:55,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:28:55,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:28:55,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:28:55,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:28:55,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:28:55,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:28:55,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:28:55,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:28:55,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:28:55,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:28:55,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:28:55,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:28:55,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:28:55,933 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:28:55,933 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:28:55,934 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product21.cil.c [2020-10-13 11:28:55,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09dc920be/9caf245b80bd4f40b1fe98729322fc53/FLAGafe40e2cc [2020-10-13 11:28:56,570 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:28:56,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product21.cil.c [2020-10-13 11:28:56,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09dc920be/9caf245b80bd4f40b1fe98729322fc53/FLAGafe40e2cc [2020-10-13 11:28:56,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09dc920be/9caf245b80bd4f40b1fe98729322fc53 [2020-10-13 11:28:56,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:28:56,847 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:28:56,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:28:56,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:28:56,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:28:56,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:28:56" (1/1) ... [2020-10-13 11:28:56,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e065585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:56, skipping insertion in model container [2020-10-13 11:28:56,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:28:56" (1/1) ... [2020-10-13 11:28:56,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:28:56,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:28:57,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:28:57,651 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:28:57,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:28:57,838 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:28:57,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:57 WrapperNode [2020-10-13 11:28:57,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:28:57,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:28:57,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:28:57,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:28:57,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:57" (1/1) ... [2020-10-13 11:28:57,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:57" (1/1) ... [2020-10-13 11:28:57,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:57" (1/1) ... [2020-10-13 11:28:57,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:57" (1/1) ... [2020-10-13 11:28:57,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:57" (1/1) ... [2020-10-13 11:28:57,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:57" (1/1) ... [2020-10-13 11:28:58,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:57" (1/1) ... [2020-10-13 11:28:58,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:28:58,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:28:58,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:28:58,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:28:58,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:28:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:28:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:28:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:28:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:28:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:28:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:28:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:28:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:28:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:28:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:28:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:28:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:28:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:28:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:28:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:28:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:28:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:28:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:28:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:28:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:28:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:28:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:28:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:28:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:28:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:28:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:28:58,164 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:28:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:28:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:28:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:28:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:28:58,165 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:28:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:28:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:28:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:28:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:28:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:28:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:28:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:28:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:28:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:28:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:28:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:28:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:28:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:28:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:28:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:28:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:28:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:28:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:28:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:28:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:28:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:28:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:28:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:28:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:28:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:28:58,172 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:28:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:28:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:28:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:28:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:28:58,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:28:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:28:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:28:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-13 11:28:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:28:58,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:28:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:28:58,175 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-13 11:28:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:28:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:28:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:28:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:28:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:28:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:28:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:28:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:28:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:28:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:28:58,178 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:28:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:28:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:28:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:28:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:28:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:28:58,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:28:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:28:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:28:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:28:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:28:58,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:28:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:28:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:28:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:28:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:28:58,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:28:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:28:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:28:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:28:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:28:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:28:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:28:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:28:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:28:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:28:58,183 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:28:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:28:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:28:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:28:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:28:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:28:58,184 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:28:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:28:58,185 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:28:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:28:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:28:58,186 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:28:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:28:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:28:58,187 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:28:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:28:58,188 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:28:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:28:58,189 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:28:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:28:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:28:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:28:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:28:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:28:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:28:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:28:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-13 11:28:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-13 11:28:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:28:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:28:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:28:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:28:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:28:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:28:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:28:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:28:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-13 11:28:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-13 11:28:58,205 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:28:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:28:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:28:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:28:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:28:58,206 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:28:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:28:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:28:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:28:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:28:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:28:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:28:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-13 11:28:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:28:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:28:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-13 11:28:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:28:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:28:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:28:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:28:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:28:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:28:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:29:00,465 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:29:00,465 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:29:00,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:29:00 BoogieIcfgContainer [2020-10-13 11:29:00,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:29:00,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:29:00,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:29:00,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:29:00,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:28:56" (1/3) ... [2020-10-13 11:29:00,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78302474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:29:00, skipping insertion in model container [2020-10-13 11:29:00,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:28:57" (2/3) ... [2020-10-13 11:29:00,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78302474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:29:00, skipping insertion in model container [2020-10-13 11:29:00,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:29:00" (3/3) ... [2020-10-13 11:29:00,484 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product21.cil.c [2020-10-13 11:29:00,494 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:29:00,504 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:29:00,518 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:29:00,584 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:29:00,584 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:29:00,584 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:29:00,584 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:29:00,584 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:29:00,585 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:29:00,585 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:29:00,585 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:29:00,626 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states. [2020-10-13 11:29:00,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 11:29:00,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:29:00,655 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:29:00,655 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:29:00,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:29:00,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1453471950, now seen corresponding path program 1 times [2020-10-13 11:29:00,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:29:00,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [460064114] [2020-10-13 11:29:00,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:29:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:01,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:01,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:01,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:02,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:04,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:06,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:06,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 11:29:06,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:29:06,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-13 11:29:06,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:06,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:29:06,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:29:06,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:29:06,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:29:07,292 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:29:07,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:29:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:07,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:07,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:07,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:07,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 11:29:07,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:07,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:07,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:07,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:07,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:07,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:29:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:07,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:07,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:07,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:07,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:29:07,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:07,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:07,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:07,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:07,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:07,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:29:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:07,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:07,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:07,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:07,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:07,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:07,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:07,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:07,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:07,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:07,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:29:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:07,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:07,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:07,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:07,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:07,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:07,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:07,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:07,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:07,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:07,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:29:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:07,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:07,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:29:07,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:07,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:07,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:07,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:07,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:07,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:07,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:07,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:29:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:07,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:07,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:07,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:07,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:07,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:07,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:07,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:07,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:07,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:07,661 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:29:07,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:29:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:07,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:07,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:10,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:11,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:11,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:12,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:12,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:12,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 11:29:12,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:29:12,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:29:12,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:12,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:29:12,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-13 11:29:12,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:29:12,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:12,882 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 11:29:12,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:29:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:12,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:12,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:12,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:12,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:12,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:13,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:13,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:29:13,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:29:13,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 615 [2020-10-13 11:29:13,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:13,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:13,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:13,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:13,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:29:13,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:13,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:13,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:13,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:13,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:13,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:29:13,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:29:13,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:13,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:13,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:29:13,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:29:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:13,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:13,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:13,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:13,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:29:13,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:29:13,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 11:29:13,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:13,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:13,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:29:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:13,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:13,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:13,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:13,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:13,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:13,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:13,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:13,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:13,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:29:13,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:29:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:13,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:13,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:13,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:13,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:13,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:14,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:18,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:18,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:18,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:18,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-13 11:29:18,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:29:18,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 11:29:18,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:18,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:29:18,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:29:18,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:29:18,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:18,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:18,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:18,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:18,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:18,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:18,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:18,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:22,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:22,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 11:29:23,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:29:23,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:29:23,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:29:23,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-13 11:29:23,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:29:23,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:29:23,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:29:23,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:29:23,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:23,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:29:23,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:29:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:23,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:23,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:23,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:29:23,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:29:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:23,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:23,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:23,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:29:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:29:23,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:29:23,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:23,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:29:23,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:29:23,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:29:23,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:23,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:29:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:29:23,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:29:23,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:29:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:29:23,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:29:23,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:29:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 11:29:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:29:23,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:29:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:29:23,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:29:23,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:29:23,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:23,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:29:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:23,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:23,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:29:23,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:29:23,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:29:23,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:29:23,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:29:23,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:29:23,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:29:23,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:29:23,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:29:24,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:29:24,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [460064114] [2020-10-13 11:29:24,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:29:24,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:29:24,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268602915] [2020-10-13 11:29:24,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:29:24,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:29:24,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:29:24,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:29:24,140 INFO L87 Difference]: Start difference. First operand 773 states. Second operand 9 states. [2020-10-13 11:29:29,014 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:29:30,935 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:29:33,321 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-13 11:29:56,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:29:56,759 INFO L93 Difference]: Finished difference Result 2659 states and 4847 transitions. [2020-10-13 11:29:56,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 11:29:56,762 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 124 [2020-10-13 11:29:56,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:29:56,821 INFO L225 Difference]: With dead ends: 2659 [2020-10-13 11:29:56,821 INFO L226 Difference]: Without dead ends: 2072 [2020-10-13 11:29:56,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2020-10-13 11:29:56,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2072 states. [2020-10-13 11:29:57,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2072 to 1112. [2020-10-13 11:29:57,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-10-13 11:29:57,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1799 transitions. [2020-10-13 11:29:57,299 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1799 transitions. Word has length 124 [2020-10-13 11:29:57,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:29:57,300 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1799 transitions. [2020-10-13 11:29:57,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:29:57,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1799 transitions. [2020-10-13 11:29:57,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 11:29:57,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:29:57,311 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:29:57,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:29:57,311 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:29:57,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:29:57,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1043675559, now seen corresponding path program 1 times [2020-10-13 11:29:57,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:29:57,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729042431] [2020-10-13 11:29:57,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:29:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:29:57,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:57,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:57,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:58,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:29:58,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:00,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:02,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:02,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 11:30:02,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:30:02,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-13 11:30:02,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:02,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:02,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:30:02,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:30:02,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:03,168 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:30:03,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:30:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:03,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:03,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:03,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:03,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:03,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 11:30:03,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:03,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:03,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:03,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:03,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:03,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:30:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:03,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:03,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:03,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:03,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:03,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:03,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:03,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:03,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:03,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:03,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:03,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:30:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:03,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:03,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:03,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:03,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:03,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:03,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:03,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:03,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:03,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:03,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:03,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:30:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:03,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:03,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:03,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:03,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:03,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:03,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:03,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:03,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:03,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:30:03,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:30:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:03,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:03,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:03,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:03,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:03,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:03,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:03,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:03,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:03,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:03,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:03,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:30:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:03,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:03,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:03,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:03,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:03,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:03,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:03,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:03,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:03,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:03,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:03,470 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:30:03,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:30:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:03,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:03,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:03,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:03,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:03,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:03,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:07,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:07,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:08,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:08,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 11:30:08,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:30:08,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:30:08,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:08,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:08,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:30:08,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:30:08,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:08,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:30:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:08,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:08,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:08,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:08,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:08,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:08,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:30:08,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:30:08,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-13 11:30:08,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:08,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:08,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:30:08,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:30:08,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:08,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:08,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:08,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:08,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:08,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:08,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:30:08,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:08,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:08,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:30:08,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:30:08,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:08,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:30:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:08,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:08,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:08,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:08,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:30:08,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:30:08,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:30:08,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:08,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:08,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:30:08,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:08,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:08,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:30:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:08,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:08,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:08,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:08,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:08,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:08,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:08,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:08,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:08,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:08,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:08,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:30:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:08,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:09,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:09,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:09,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:10,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:11,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:11,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 11:30:11,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:30:11,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2417 [2020-10-13 11:30:11,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:11,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:11,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-13 11:30:11,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:11,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:11,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:11,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:11,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:11,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:11,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:11,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:14,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:14,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 11:30:14,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:30:14,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2782 [2020-10-13 11:30:14,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:14,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:14,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:14,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:14,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:14,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:14,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:14,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:14,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:30:14,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:14,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:30:14,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:14,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:14,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:14,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:14,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:14,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:30:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:14,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:14,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:14,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:14,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:14,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:14,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:14,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:14,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:14,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:14,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:14,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:30:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:14,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:14,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:14,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:14,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:14,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:14,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:14,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:14,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:14,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:30:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:14,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:14,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:14,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:30:14,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:14,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:30:14,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:14,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:14,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:14,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:14,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:14,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:14,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:14,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:14,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:14,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:14,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:14,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:14,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:14,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:14,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:14,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:14,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:30:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:14,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:14,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:14,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:30:14,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:14,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:14,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:14,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:14,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:14,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:14,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:14,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:30:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:14,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:14,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:14,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:30:14,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:14,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:14,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:14,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:14,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:14,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:14,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:14,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:30:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:14,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:14,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:14,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:30:14,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:14,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:30:14,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:14,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:14,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:14,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:14,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:14,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:14,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:14,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:14,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:14,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:14,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:14,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:14,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:14,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:14,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:14,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:14,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:30:14,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729042431] [2020-10-13 11:30:14,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:30:14,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:30:14,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205353322] [2020-10-13 11:30:14,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:30:14,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:30:14,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:30:14,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:30:14,363 INFO L87 Difference]: Start difference. First operand 1112 states and 1799 transitions. Second operand 10 states. [2020-10-13 11:30:16,044 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:30:16,780 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:30:18,212 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:30:20,322 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:30:34,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:30:34,830 INFO L93 Difference]: Finished difference Result 3099 states and 5514 transitions. [2020-10-13 11:30:34,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:30:34,831 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 126 [2020-10-13 11:30:34,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:30:34,850 INFO L225 Difference]: With dead ends: 3099 [2020-10-13 11:30:34,851 INFO L226 Difference]: Without dead ends: 2024 [2020-10-13 11:30:34,859 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:30:34,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2020-10-13 11:30:35,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 1112. [2020-10-13 11:30:35,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-10-13 11:30:35,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1798 transitions. [2020-10-13 11:30:35,202 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1798 transitions. Word has length 126 [2020-10-13 11:30:35,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:30:35,205 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1798 transitions. [2020-10-13 11:30:35,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:30:35,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1798 transitions. [2020-10-13 11:30:35,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 11:30:35,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:30:35,212 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:30:35,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:30:35,212 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:30:35,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:30:35,213 INFO L82 PathProgramCache]: Analyzing trace with hash 210498865, now seen corresponding path program 1 times [2020-10-13 11:30:35,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:30:35,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077933632] [2020-10-13 11:30:35,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:30:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:35,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:35,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:35,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:35,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:35,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:37,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:38,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:40,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:40,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-13 11:30:40,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:30:40,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-13 11:30:40,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:40,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:40,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:30:40,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:30:40,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:41,058 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:30:41,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:30:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:41,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:41,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:41,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:41,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:41,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:30:41,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:41,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:41,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:30:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:41,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:41,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:41,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:41,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:41,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:41,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:41,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:41,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:41,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:41,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:41,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:30:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:41,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:41,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:41,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:41,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:41,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:41,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:41,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:41,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:41,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:41,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:41,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:30:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:41,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:41,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:41,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:41,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:41,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:41,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:41,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:41,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:41,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:41,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:41,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:30:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:41,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:41,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:41,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:30:41,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:41,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:41,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:41,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:41,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:30:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:41,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:41,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:41,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:41,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:41,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:41,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:41,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:41,330 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:30:41,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:30:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:41,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:41,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:41,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:41,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:41,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:41,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:41,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:42,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:46,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 11:30:46,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:30:46,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:30:46,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:46,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:46,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:30:46,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:30:46,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:46,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:30:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:46,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:46,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:30:46,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:30:46,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-10-13 11:30:46,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:30:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:30:46,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:46,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:46,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:46,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:30:46,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:46,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:30:46,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:30:46,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:30:46,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:30:46,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:46,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:30:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:46,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:46,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:30:46,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:30:46,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:30:46,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:46,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:46,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:30:46,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:46,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:46,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:30:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:46,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:46,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:46,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:46,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:46,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:46,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:46,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:30:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:46,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:46,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:48,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:49,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:49,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 11:30:49,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:30:49,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2996 [2020-10-13 11:30:49,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-13 11:30:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:49,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:49,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:49,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:49,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:49,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:49,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:49,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:52,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:52,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 11:30:52,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:30:52,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2661 [2020-10-13 11:30:52,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:52,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:52,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:52,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:52,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:52,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:52,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:52,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:52,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:30:52,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:52,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:30:52,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:52,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:52,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:52,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:52,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:52,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:30:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:52,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:52,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:52,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:52,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:52,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:52,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:52,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:52,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:52,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:52,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:52,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:30:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:52,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:52,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:52,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:52,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:52,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:52,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:52,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:52,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:52,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:52,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:52,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:30:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:52,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:52,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:52,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:30:52,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:52,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:30:52,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:52,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:52,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:52,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:52,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:52,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:52,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:52,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:52,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:30:52,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:52,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:52,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:52,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:52,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:52,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:52,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:30:52,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:30:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:52,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:52,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:52,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:30:52,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:52,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:52,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:52,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:52,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:52,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:52,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:52,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:30:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:52,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:52,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:52,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:30:52,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:52,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:30:52,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:52,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:52,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:30:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:52,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:52,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:52,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:30:52,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:52,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:30:52,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:52,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:52,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:52,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:52,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:52,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:30:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:30:52,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:30:52,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:30:52,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:30:52,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:30:52,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:30:52,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:30:52,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:30:52,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:30:52,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:30:52,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:30:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:30:52,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077933632] [2020-10-13 11:30:52,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:30:52,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:30:52,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638991402] [2020-10-13 11:30:52,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:30:52,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:30:52,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:30:52,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:30:52,803 INFO L87 Difference]: Start difference. First operand 1112 states and 1798 transitions. Second operand 10 states. [2020-10-13 11:30:54,463 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:30:55,214 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:30:56,578 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:30:58,786 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:31:11,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:31:11,943 INFO L93 Difference]: Finished difference Result 3099 states and 5513 transitions. [2020-10-13 11:31:11,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:31:11,944 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 127 [2020-10-13 11:31:11,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:31:11,961 INFO L225 Difference]: With dead ends: 3099 [2020-10-13 11:31:11,961 INFO L226 Difference]: Without dead ends: 2024 [2020-10-13 11:31:11,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:31:11,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2020-10-13 11:31:12,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 1112. [2020-10-13 11:31:12,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-10-13 11:31:12,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1797 transitions. [2020-10-13 11:31:12,252 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1797 transitions. Word has length 127 [2020-10-13 11:31:12,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:31:12,253 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1797 transitions. [2020-10-13 11:31:12,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:31:12,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1797 transitions. [2020-10-13 11:31:12,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-13 11:31:12,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:31:12,258 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:31:12,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:31:12,259 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:31:12,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:31:12,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1440371733, now seen corresponding path program 1 times [2020-10-13 11:31:12,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:31:12,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [52751384] [2020-10-13 11:31:12,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:31:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:12,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:12,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:12,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:13,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:13,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:13,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:15,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:15,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:15,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:16,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:16,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:17,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:17,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-13 11:31:17,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 11:31:17,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 11:31:17,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:31:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:31:17,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:18,087 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:31:18,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:31:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:18,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:18,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:18,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:18,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:31:18,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:18,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:18,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:18,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:18,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:18,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:31:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:18,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:18,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:18,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:18,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:18,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:18,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:18,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:18,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:18,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:18,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:31:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:18,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:18,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:18,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:18,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:18,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:18,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:18,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:18,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:18,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:18,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:31:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:18,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:18,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:18,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:18,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:18,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:18,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:18,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:18,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:18,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:18,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:31:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:18,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:18,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:31:18,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:18,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:18,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:18,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:18,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:18,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:31:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:18,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:18,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:18,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:18,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:18,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:18,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:18,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:18,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:18,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:18,356 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:31:18,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:31:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:18,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:18,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:20,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:21,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:23,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 11:31:23,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:31:23,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 11:31:23,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:23,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:23,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:31:23,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:31:23,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:23,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:31:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:23,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:23,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:31:23,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:31:23,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-13 11:31:23,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:23,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:23,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:31:23,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:31:23,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:23,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:23,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:23,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:31:23,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:31:23,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:31:23,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:23,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:23,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:23,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:23,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:23,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:31:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:23,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:23,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:31:23,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:23,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 11:31:23,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:31:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:31:23,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:23,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:31:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:23,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:23,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:23,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:23,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:23,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:23,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:31:23,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:23,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:31:23,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:23,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:31:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:23,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:23,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:24,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:25,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:26,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 11:31:26,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:31:26,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2389 [2020-10-13 11:31:26,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-13 11:31:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:26,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:26,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:26,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:26,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 11:31:28,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:31:28,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2312 [2020-10-13 11:31:28,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:28,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:28,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:28,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:28,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:31:28,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:28,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:31:28,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:28,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:28,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:31:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:28,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:28,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:28,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:28,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:28,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:28,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:28,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:31:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:28,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:28,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:28,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:28,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:28,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:28,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:28,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:31:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:28,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:31:28,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:28,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:31:28,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:28,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:28,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:28,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:28,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:31:28,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:28,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:28,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:28,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:28,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:28,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:31:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:28,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:31:28,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:28,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:28,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:28,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:28,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:31:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:28,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:31:28,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:28,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:28,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:28,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:28,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:28,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:31:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:28,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:31:28,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:28,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:31:28,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:28,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:31:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:28,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:28,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:28,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:31:28,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:31:28,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:31:28,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:28,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:31:28,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:31:28,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:31:28,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:31:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:31:28,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [52751384] [2020-10-13 11:31:28,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:31:28,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:31:28,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763864966] [2020-10-13 11:31:28,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:31:28,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:31:28,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:31:28,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:31:28,676 INFO L87 Difference]: Start difference. First operand 1112 states and 1797 transitions. Second operand 10 states. [2020-10-13 11:31:30,399 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:31:32,111 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:31:54,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:31:54,560 INFO L93 Difference]: Finished difference Result 3053 states and 5428 transitions. [2020-10-13 11:31:54,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:31:54,561 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 128 [2020-10-13 11:31:54,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:31:54,578 INFO L225 Difference]: With dead ends: 3053 [2020-10-13 11:31:54,578 INFO L226 Difference]: Without dead ends: 2024 [2020-10-13 11:31:54,586 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:31:54,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2020-10-13 11:31:54,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 1112. [2020-10-13 11:31:54,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-10-13 11:31:54,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1792 transitions. [2020-10-13 11:31:54,876 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1792 transitions. Word has length 128 [2020-10-13 11:31:54,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:31:54,877 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1792 transitions. [2020-10-13 11:31:54,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:31:54,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1792 transitions. [2020-10-13 11:31:54,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-13 11:31:54,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:31:54,882 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:31:54,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:31:54,882 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:31:54,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:31:54,883 INFO L82 PathProgramCache]: Analyzing trace with hash 2107013234, now seen corresponding path program 1 times [2020-10-13 11:31:54,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:31:54,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1198578746] [2020-10-13 11:31:54,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:31:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:31:54,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:55,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:56,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:31:59,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:31:59,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-13 11:31:59,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:31:59,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:31:59,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:31:59,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:31:59,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:31:59,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:31:59,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:00,692 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:32:00,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:32:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:00,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:00,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:00,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:00,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:00,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:32:00,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:00,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:00,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:00,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:00,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:00,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:32:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:00,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:00,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:00,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:00,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:00,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:32:00,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:00,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:00,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:00,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:00,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:00,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:32:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:00,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:00,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:00,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:00,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:00,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:00,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:00,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:00,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:32:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:00,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:00,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:00,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:00,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:00,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:00,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:00,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:00,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:00,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:00,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:00,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:32:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:00,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:00,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:00,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:00,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:00,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:00,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:00,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:00,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:00,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:00,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:00,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:32:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:00,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:00,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:00,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:00,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:00,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:00,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:00,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:01,010 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:32:01,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:32:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:01,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:01,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:01,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:01,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:01,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:01,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:06,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:06,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 11:32:06,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:32:06,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:32:06,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:06,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:32:06,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:32:06,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:32:06,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:06,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:32:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:06,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:06,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:06,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:06,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:06,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:06,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:32:06,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:32:06,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-13 11:32:06,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:06,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:32:06,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:32:06,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:32:06,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:06,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:06,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:06,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:06,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:32:06,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:06,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:06,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:32:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:32:06,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:32:06,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:06,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:32:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:06,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:06,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:06,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:06,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:32:06,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:32:06,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:32:06,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:06,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:06,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:32:06,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:06,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:06,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:32:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:06,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:06,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:06,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:06,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:06,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:06,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:06,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:06,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 11:32:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:06,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:06,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:06,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:06,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:07,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:08,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:08,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 11:32:08,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:32:08,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2342 [2020-10-13 11:32:08,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:08,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:08,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-13 11:32:08,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:08,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:08,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:08,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:08,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:08,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:08,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:08,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:11,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:11,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-13 11:32:11,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:32:11,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2548 [2020-10-13 11:32:11,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:11,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:11,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:11,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:11,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:11,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:11,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:11,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:11,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:32:11,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:11,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:32:11,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:11,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:11,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:11,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:11,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:11,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 11:32:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:11,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:11,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:11,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:11,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:11,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:11,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:11,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:11,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:11,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:11,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:11,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:32:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:11,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:11,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:11,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:11,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:11,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:11,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:11,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:11,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:11,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:11,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:11,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:32:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:11,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:11,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:11,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:32:11,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:11,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:11,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:11,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:11,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:11,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:11,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:11,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:11,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:11,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:11,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:11,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:11,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:11,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:11,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:11,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:11,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:11,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:11,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:32:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:11,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:11,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:11,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:32:11,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:11,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:11,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:11,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:11,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:11,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:11,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:11,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:32:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:11,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:11,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:11,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:32:11,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:11,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:11,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:11,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:11,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:11,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:11,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:11,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 11:32:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:11,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:11,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:11,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:32:11,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:11,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:11,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:11,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:11,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:11,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:11,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:11,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:11,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:11,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:11,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:11,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:11,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:11,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:11,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:11,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:11,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:11,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 11:32:11,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1198578746] [2020-10-13 11:32:11,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:32:11,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:32:11,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558718859] [2020-10-13 11:32:11,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:32:11,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:32:11,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:32:11,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:32:11,566 INFO L87 Difference]: Start difference. First operand 1112 states and 1792 transitions. Second operand 10 states. [2020-10-13 11:32:13,154 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:32:13,871 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:32:15,240 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 11:32:17,390 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:32:33,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:32:33,962 INFO L93 Difference]: Finished difference Result 3099 states and 5502 transitions. [2020-10-13 11:32:33,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:32:33,963 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2020-10-13 11:32:33,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:32:33,979 INFO L225 Difference]: With dead ends: 3099 [2020-10-13 11:32:33,979 INFO L226 Difference]: Without dead ends: 2024 [2020-10-13 11:32:33,986 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:32:33,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2020-10-13 11:32:34,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 1112. [2020-10-13 11:32:34,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1112 states. [2020-10-13 11:32:34,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1791 transitions. [2020-10-13 11:32:34,333 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1791 transitions. Word has length 129 [2020-10-13 11:32:34,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:32:34,334 INFO L479 AbstractCegarLoop]: Abstraction has 1112 states and 1791 transitions. [2020-10-13 11:32:34,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:32:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1791 transitions. [2020-10-13 11:32:34,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-13 11:32:34,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:32:34,339 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:32:34,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:32:34,340 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:32:34,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:32:34,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1650161624, now seen corresponding path program 1 times [2020-10-13 11:32:34,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:32:34,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [666174328] [2020-10-13 11:32:34,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:32:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:34,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:34,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:34,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:34,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:34,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:36,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:36,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:37,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:39,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:39,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-13 11:32:39,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:32:39,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-13 11:32:39,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:39,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:32:39,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 11:32:39,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:32:39,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:40,237 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:32:40,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:32:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:40,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:40,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:40,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:40,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:40,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 11:32:40,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:40,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:40,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:32:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:40,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:40,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:40,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:40,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:40,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:40,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:40,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:40,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:40,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:40,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:40,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:32:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:40,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:40,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:40,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:40,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:40,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:40,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:40,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:40,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:40,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:40,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:40,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:32:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:40,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:40,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:40,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:40,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:40,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:40,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:40,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:40,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:40,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:40,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:40,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:32:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:40,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:40,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:40,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:40,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:40,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:32:40,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:40,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:40,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:40,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:40,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:40,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:32:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:40,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:40,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:40,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:40,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:40,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:40,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:40,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:40,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:40,531 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-13 11:32:40,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:32:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:40,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:40,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:40,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:40,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:40,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:40,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking...